Let A=\{2,3,4,5, ......., 16,17,18\} . Let \\approxbe the equivalence relation on A \\timesA cartesian product of A and A, defined by (a, b) \\approx (c, d) if a d=b c, then the number of ordered pairs of the equivalence class of (3,2) is

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Question : 117 of 150

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Let A={2,3,4,5,.......,16,17,18}. Let ≈be the equivalence relation on A×A cartesian product of A and A, defined by (a,b)≈(c,d) if ad=bc, then the number of ordered pairs of the equivalence class of (3,2) is

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